Compressor - Hoshizaki TM-500AAE Service Manual

3. COMPRESSOR

Always install a new Drier every time the sealed refrigeration system is opened.
Do not replace the Drier until after all other repair or replacement has been
made.
1) Disconnect the power source.
2) Remove the panels.
3) Remove the Terminal Cover on the Compressor, and disconnect the Compressor wiring.
4) Recover the refrigerant and store it in a proper container, if required by an applicable law
(See "1. [b] REFRIGERANT RECOVERY").
5) Remove the Discharge, Suction and Access Pipes from the Compressor using brazing
equipment.
When repairing a refrigerant system, be careful not to let the burner flame contact
any electrical wires or insulation.
6) Remove the Bolts and Rubber Grommets.
7) Slide and remove the Compressor. Unpack the new Compressor package. Install the
new Compressor.
8) Attach the Rubber Grommets of the previous Compressor.
9) Clean the Suction and Discharge Pipes with an abrasive cloth/paper.
10) Place the Compressor in position, and secure it using the Bolts and Washers.
11) Remove plugs from the Discharge, Suction and Access Pipes.
12) Braze the Access, Suction and Discharge Pipes (Do not change this order) with nitrogen
gas flowing at the pressure of 0.2 - 0.3 bar.
13) Install the new Drier (See "4. DRIER").
14) Check for leaks using nitrogen gas (10 bar) and soap bubbles.
IMPORTANT
WARNING
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